hard Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, _] → [_, 22, 32] → [14, 9, _, 19] → [_, _, _, _, 9]

Show answer

Answer: Row1[1]=99, Row5[1]=8, Row3[1]=23, Row5[2]=6, Row4[3]=13, Row5[3]=3, Row2[2]=54, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [45,54]
  • [23,22,32]
  • [14,9,13,19]
  • [8,6,3,10,9]
Base
  • 8
  • 6
  • 3
  • 10
  • 9
TopValue
99
HiddenCells
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":0,"v":8}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":1,"v":54}
  • {"r":4,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [18, _, _] → [_, 10, 9, _] → [2, _, 4, 5, _]

Show answer

Answer: Row4[4]=14, Row2[2]=42, Row1[1]=79, Row5[2]=6, Row3[3]=23, Row3[2]=19, Row5[5]=9, Row4[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [37,42]
  • [18,19,23]
  • [8,10,9,14]
  • [2,6,4,5,9]
Base
  • 2
  • 6
  • 4
  • 5
  • 9
TopValue
79
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":1,"v":42}
  • {"r":0,"c":0,"v":79}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, 43] → [_, 26, _] → [13, 15, 11, _] → [_, _, _, _, 4]

Show answer

Answer: Row5[4]=2, Row5[1]=7, Row1[1]=97, Row4[4]=6, Row5[3]=9, Row3[3]=17, Row3[1]=28, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [54,43]
  • [28,26,17]
  • [13,15,11,6]
  • [7,6,9,2,4]
Base
  • 7
  • 6
  • 9
  • 2
  • 4
TopValue
97
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":0,"v":7}
  • {"r":0,"c":0,"v":97}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":2,"v":17}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [48, _] → [24, 24, _] → [_, _, 10, _] → [_, 5, _, _, 8]

Show answer

Answer: Row5[4]=1, Row3[3]=19, Row4[1]=10, Row5[3]=9, Row2[2]=43, Row4[4]=9, Row4[2]=14, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [48,43]
  • [24,24,19]
  • [10,14,10,9]
  • [5,5,9,1,8]
Base
  • 5
  • 5
  • 9
  • 1
  • 8
TopValue
91
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":1,"v":43}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":0,"v":5}